Chapter 4, Problem 8RA

When oxygen is combined with 2 hydrogens to make water,

$\begin{array}{l}\text{a}\text{. oxygen is reduced}\text{.}\hfill \\ \text{b}\text{. the molecule that donated the hydrogens becomesoxidized}\text{.}\hfill \\ \text{c}\text{. oxygen acts as a reducing agent}\text{.}\hfill \\ \text{d}\text{. both }a\text{ and }b\text{ apply}\text{.}\hfill \\ \text{e}\text{. both }a\text{ and }c\text{ apply}\text{.}\hfill \end{array}$